Box-opening device



C. S. HUMPHREY.

BOX OPENING DEVICE. APPLICATION FILED "FEB. EM 1922.

Patented @0111. M, 1922..

Ting of a perforation oi of the terms in which Patentedrt. 24, lfifi.

GLEN s. HUMPHREY, or BROOKLYN, new YORK.

BOX-OPENING DEVICE.

Anplication 1 all whom it may concern Be it known that I, GLEN S. HUMPHRn-Y, a

Letters Patent of the United States, No

1,334,245, issued March 16, 1920;

Heretofore it has been the common practice to rivet opening devices .to either the box body or lid, which necessitates the formaperture thereinto receive the rivet. This practice very often destroys the air-tight protection to the contents of the box and permits the evaporation or other deterioration of the same.

The present invention contemplates .a

an aperture.

Furthermore the means of attachment which consists in forming a plait 0r fold in the cover which receives one extremity of the opening device, provides the cover with an annular bead with which the fi coact for more readily effecting removal of the cover vice has been operated separation of the cover With the above recited and other objects in View, the invention resides in the novel construction set forth in the following specification, particularly pointed out in the appended claims and illustrated in the accompanying drawings, it being understood that the right is reserved to embodiments other than those actually illustrated herein to the full extent indicated by the general meaning the claims are expressed.

In the drawings- Figure l is a ed in accordance with the invention.

Fig. 2 is a side elevation thereof.

Fig. 3 is a fragmentary enlarged sectional view illustrating in dotted lines/the operaftion of the opening device.

Referring to the drawings by characters of reference, designates a box body proinsured.

plan view of a box constructfiledfebruary 6, 1922. Serial No. 534,559.

vided at its lower edge with a head 11 at the juncture of the side wall with the bottom thereof and an intermediate circumferential head 12 in the side wall with which the lower edge of the flange 13 of the cover 14 coaets to limit the telescopic movement of the cover its free extremity with said finger being attached in such a manner as to prevent lateralswinging movement with respect to the box. a

In the prior patent the means for attaching the finger to the employment ofrivets beads or tion tended to destroy the air-tight enclosure of the contents. In the present the means of attaching thefinger to the box of finger 15 is received and clamped. Under this arrangement the employment fastening means which cover is eliminated and the airtight enclosure of the contents is The fold or plait 16 in addition to providing a means of attachment produces from the body has been ing device. To effect the initial ration of the opening device, the operator presses inwardly on the finger 15 thereby tending to strengthen the same as illustrated in dotted lines in Fig. llows that the cover is partial sepastood from the drawings.

claim: 1. In a box and opening device therefor of the character described, means for attaching said opening device comprising expanded plait or fold between extremity of the opening and clamped.

2. In a box and opening device therefor 0f th Cha acter described, means for atwhich one device 1s received construc- Y LOO taching said opening device comprising an annular expanded plait or fold between which one extremity of the opening device is received and clamped, said annular plait or fold providing a manipulating bead for removing the cover.

3. In a box including a body having a bead thereon, a cover having a peripheral expanded plait or fold and a member having one end thereof received and clamped between said plait and the other end thereof normally in engagement with said head, said member having a portion thereof spaced from the side of the boX so that when pressure is applied thereto an initial relative longitudinal movement of the cover and body will be effected.

4. In a box comprising cover and bod members one of which is provided with a bead and the other with an annular plait or told, a member having one end received and clamped between said told and the other end in engagement with. said bead, said member having a portion thereof normally spaced from the side of the box so that when pres sure is applied thereto an initial relative longitudinal movement of the members is eflectedr y H k y p 5. The combination with a box including body and cover members one of which is provided with abead a normally curved resilient spring finger attached to the other member and engageable with the bead to effect initial relative longitudinal movement of the members, of means for finger to the other member comprising an annular plait in the member between the folds of which the spring finger is received and clamped.

6. The combination with a box inchuling body and cover members one of which is provided with a bead, a normally curved 2e silient spring finger attached to the other member and engageable with the head to oi feet initial relative longitudinal movement of the members, of means for attaching thisaid finger to the other member comprising an annular plait in the member between the folds of which the spring linger is received and clamped, the remainder of said plait constituting a peripheral head or projection for manipulating the member to ell'ect its entire separation from the other member.

7. In combination a box including a cover and a body having a bead thereon and means F for opening the same comprising a bent spring member having one end thereof" fixed to the cover and held against relative rotation with respect thereto the other end ol' said member normally engaging the bead of said body, of means of attaching said spring member to the cover comprising an expanded plait 01' fold in the cover between which the same is clamped.

GLEN S. HUM lllll E Y.

attaching the said .i 

